How many parts are present in a human heart?

The cardiovascular system is composed of the heart and blood vessels, it is responsible for supply oxygen and nutrients by circulating blood throughout the body. read more

The heart is the hardest working muscle in the human body. The heart beats about 115,000 times a day, with an average rate of 80 times per minute, ie about 42 million times a year. For a normal lifetime, the human heart will beat more than 3,000 million times – pumping an amount of blood about one million barrels. read more

A human heart is roughly the size of a large fist. The heart weighs between about 10 to 12 ounces (280 to 340 grams) in men and 8 to 10 ounces (230 to 280 grams) in women. The heart beats about 100,000 times per day (about 3 billion beats in a lifetime). read more

The human heart is most often divided into 4 pieces called chambers 2 parts. read more